Top Inventors at Ya-Man All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Iwao Yamazaki | 36 |
| 2 | Yoshihiro Izawa | 10 |
| 3 | Kimiyo Yamazaki | 9 |
| #4 | Akitsugu Yamazaki | 4 |
| #5 | Keizo Abe | 2 |
| #6 | Tatsuya Okudera | 2 |
| #7 | Yuji Nakamichi | 2 |
| #8 | Jun Hee Lee | 1 |
| #9 | Katsumi Sakamoto | 1 |
| #10 | Kazunori Yamanaka | 1 |